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Configuring Switch Information 333
•
Path Cost (1-200000000)
— The port contribution to the root path cost. The path cost is adjusted to
a higher or lower value, and is used to forward traffic when a path being rerouted.
•
Default Path Cost
— Indicates if the device uses the default path cost. The possible field values are:
–
Checked
— Device uses the default path cost.
–
Unchecked
— Device uses path cost defined in the Path Cost field above.
•
Priority
— Priority value of the port. The priority value influences the port choice when a bridge has
two ports connected in a loop. The priority value is between 0 -240. The priority value is provided in
increments of 16.
•
Designated Bridge ID
— The bridge priority and the MAC Address of the designated bridge.
•
Designated Port ID
— The designated port’s priority and interface.
•
Designated Cost
— Cost of the port participating in the STP topology. Ports with a lower cost are less
likely to be blocked if STP detects loops.
•
Forward Transitions
— Number of times the port has changed from the
Forwarding
state to
Blocking
.
•
LAG
— The LAG to which the port is attached.
Enabling STP on a Port
1
Open the Spanning Tree
Port Settings
page.
2
Select the port.
3
Select
Enabled
in the
STP
field.
4
Define the
Fast Link,
Root Guard
,
Path Cost
,
Default Path Cost
, and the
Priority
fields.
5
Click
Apply Changes
.
STP is enabled on the port.
Modifying STP Port Properties
1
Open the Spanning Tree Port Settings page.
2
Select the port.
3
Modify the relevant fields.
4
Click
Apply Changes
.
The STP port parameters are modified, and the device is updated.